684753599a
Based on the 'headers_install' target, this performs a basic sanity check on the exported headers -- so far only checking that they do not include any other headers which aren't selected for import, but easily extendable. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
159 lines
4.7 KiB
Makefile
159 lines
4.7 KiB
Makefile
# ==========================================================================
|
|
# Installing headers
|
|
#
|
|
# header-y files will be installed verbatim
|
|
# unifdef-y are the files where unifdef will be run before installing files
|
|
# objhdr-y are generated files that will be installed verbatim
|
|
#
|
|
# ==========================================================================
|
|
|
|
UNIFDEF := unifdef -U__KERNEL__
|
|
|
|
# Eliminate the contents of (and inclusions of) compiler.h
|
|
HDRSED := sed -e "s/ inline / __inline__ /g" \
|
|
-e "s/[[:space:]]__user[[:space:]]\+/ /g" \
|
|
-e "s/(__user[[:space:]]\+/ (/g" \
|
|
-e "s/[[:space:]]__force[[:space:]]\+/ /g" \
|
|
-e "s/(__force[[:space:]]\+/ (/g" \
|
|
-e "s/[[:space:]]__iomem[[:space:]]\+/ /g" \
|
|
-e "s/(__iomem[[:space:]]\+/ (/g" \
|
|
-e "s/[[:space:]]__attribute_const__[[:space:]]\+/\ /g" \
|
|
-e "s/[[:space:]]__attribute_const__$$//" \
|
|
-e "/^\#include <linux\/compiler.h>/d"
|
|
|
|
_dst := $(if $(dst),$(dst),$(obj))
|
|
|
|
.PHONY: __headersinst
|
|
__headersinst:
|
|
|
|
|
|
ifeq (,$(patsubst include/asm/%,,$(obj)/))
|
|
# For producing the generated stuff in include/asm for biarch builds, include
|
|
# both sets of Kbuild files; we'll generate anything which is mentioned in
|
|
# _either_ arch, and recurse into subdirectories which are mentioned in either
|
|
# arch. Since some directories may exist in one but not the other, we must
|
|
# use '-include'.
|
|
GENASM := 1
|
|
archasm := $(subst include/asm,asm-$(ARCH),$(obj))
|
|
altarchasm := $(subst include/asm,asm-$(ALTARCH),$(obj))
|
|
-include $(srctree)/include/$(archasm)/Kbuild
|
|
-include $(srctree)/include/$(altarchasm)/Kbuild
|
|
else
|
|
include $(srctree)/$(obj)/Kbuild
|
|
endif
|
|
|
|
include scripts/Kbuild.include
|
|
|
|
# If this is include/asm-$(ARCH) and there's no $(ALTARCH), then
|
|
# override $(_dst) so that we install to include/asm directly.
|
|
ifeq ($(obj)$(ALTARCH),include/asm-$(ARCH))
|
|
_dst := include/asm
|
|
endif
|
|
|
|
header-y := $(sort $(header-y))
|
|
unifdef-y := $(sort $(unifdef-y))
|
|
subdir-y := $(patsubst %/,%,$(filter %/, $(header-y)))
|
|
header-y := $(filter-out %/, $(header-y))
|
|
header-y := $(filter-out $(unifdef-y),$(header-y))
|
|
|
|
ifdef ALTARCH
|
|
ifeq ($(obj),include/asm-$(ARCH))
|
|
altarch-y := altarch-dir
|
|
endif
|
|
endif
|
|
|
|
# Make the definitions visible for recursive make invocations
|
|
export ALTARCH
|
|
export ARCHDEF
|
|
export ALTARCHDEF
|
|
|
|
quiet_cmd_o_hdr_install = INSTALL $(_dst)/$@
|
|
cmd_o_hdr_install = cp $(objtree)/$(obj)/$@ $(INSTALL_HDR_PATH)/$(_dst)
|
|
|
|
quiet_cmd_headers_install = INSTALL $(_dst)/$@
|
|
cmd_headers_install = $(HDRSED) $(srctree)/$(obj)/$@ \
|
|
> $(INSTALL_HDR_PATH)/$(_dst)/$@
|
|
|
|
quiet_cmd_unifdef = UNIFDEF $(_dst)/$@
|
|
cmd_unifdef = $(UNIFDEF) $(srctree)/$(obj)/$@ | $(HDRSED) \
|
|
> $(INSTALL_HDR_PATH)/$(_dst)/$@ || :
|
|
|
|
quiet_cmd_check = CHECK $(_dst)/$@
|
|
cmd_check = $(srctree)/scripts/hdrcheck.sh \
|
|
$(INSTALL_HDR_PATH)/include \
|
|
$(INSTALL_HDR_PATH)/$(_dst)/$@
|
|
|
|
quiet_cmd_mkdir = MKDIR $@
|
|
cmd_mkdir = mkdir -p $(INSTALL_HDR_PATH)/$@
|
|
|
|
quiet_cmd_gen = GEN $(_dst)/$@
|
|
cmd_gen = \
|
|
STUBDEF=__ASM_STUB_`echo $@ | tr a-z. A-Z_`; \
|
|
(echo "/* File autogenerated by 'make headers_install' */" ; \
|
|
echo "\#ifndef $$STUBDEF" ; \
|
|
echo "\#define $$STUBDEF" ; \
|
|
echo "\# if $(ARCHDEF)" ; \
|
|
if [ -r $(srctree)/include/$(archasm)/$@ ]; then \
|
|
echo "\# include <$(archasm)/$@>" ; \
|
|
else \
|
|
echo "\# error $(archasm)/$@ does not exist in" \
|
|
"the $(ARCH) architecture" ; \
|
|
fi ; \
|
|
echo "\# elif $(ALTARCHDEF)" ; \
|
|
if [ -r $(srctree)/include/$(altarchasm)/$@ ]; then \
|
|
echo "\# include <$(altarchasm)/$@>" ; \
|
|
else \
|
|
echo "\# error $(altarchasm)/$@ does not exist in" \
|
|
"the $(ALTARCH) architecture" ; \
|
|
fi ; \
|
|
echo "\# else" ; \
|
|
echo "\# warning This machine appears to be" \
|
|
"neither $(ARCH) nor $(ALTARCH)." ; \
|
|
echo "\# endif" ; \
|
|
echo "\#endif /* $$STUBDEF */" ; \
|
|
) > $(INSTALL_HDR_PATH)/$(_dst)/$@
|
|
|
|
__headersinst: $(subdir-y) $(header-y) $(unifdef-y) $(altarch-y) $(objhdr-y)
|
|
|
|
.PHONY: $(header-y) $(unifdef-y) $(subdir-y)
|
|
|
|
ifdef HDRCHECK
|
|
# Rules for checking headers
|
|
$(objhdr-y) $(header-y) $(unifdef-y):
|
|
$(call cmd,check)
|
|
else
|
|
# Rules for installing headers
|
|
|
|
$(objhdr-y) $(subdir-y) $(header-y) $(unifdef-y): $(_dst)
|
|
|
|
.PHONY: $(_dst)
|
|
$(_dst):
|
|
$(call cmd,mkdir)
|
|
|
|
ifdef GENASM
|
|
$(objhdr-y) $(header-y) $(unifdef-y):
|
|
$(call cmd,gen)
|
|
|
|
else
|
|
$(objhdr-y):
|
|
$(call cmd,o_hdr_install)
|
|
|
|
$(header-y):
|
|
$(call cmd,headers_install)
|
|
|
|
$(unifdef-y):
|
|
$(call cmd,unifdef)
|
|
endif
|
|
endif
|
|
|
|
hdrinst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
|
|
|
|
.PHONY: altarch-dir
|
|
altarch-dir:
|
|
$(Q)$(MAKE) $(hdrinst)=include/asm-$(ALTARCH) dst=include/asm-$(ALTARCH)
|
|
$(Q)$(MAKE) $(hdrinst)=include/asm dst=include/asm
|
|
|
|
# Recursion
|
|
$(subdir-y):
|
|
$(Q)$(MAKE) $(hdrinst)=$(obj)/$@ dst=$(_dst)/$@ rel=../$(rel)
|